button {
  border: 0;
  height: 45px;
  width: 300px;
  border-radius: 22px;
  font-size: 20px;
  color: #fff;
  background-color: #FF471D;
}
.code_btn {
  font-size: 16px;
  color: #000;
  height: 45px;
  width: 100px;
  border-radius: 0;
  background-color: orange;
  cursor: pointer;
}
.code_input {
  width: 200px;
}
.app {
  position: relative;
}
.app section {
  position: relative;
  height: 600px;
  width: 100%;
  background: url('../login/image/login.jpg') no-repeat;
  background-size: 100% 100%;
}
.app section .login {
  position: absolute;
  top: 50px;
  right: 150px;
  height: 500px;
  width: 400px;
  border-radius: 10px;
  background-color: #fff;
}
.app section .login .login_nav {
  height: 60px;
  width: 100%;
  padding: 10px 50px;
  border-bottom: 3px solid #999;
}
.app section .login .login_nav h2 {
  cursor: pointer;
  font-weight: 400;
  height: 50px;
}
.app section .login .login_nav .cls_h2 {
  border-bottom: 3px solid orange;
}
.app section .login .login_nav h2:nth-child(1) {
  float: left;
}
.app section .login .login_nav h2:nth-child(2) {
  float: right;
}
.app section .login .acc_input {
  margin-top: 50px;
}
.app footer {
  margin-top: 50px;
  margin-left: 420px;
  width: 1000px;
  height: 80px;
}
.app footer span {
  font-size: 12px;
  color: #666;
}
